The World Sustainable Energy Days 2027 will be held from 2 to 5 March in Wels, Austria, bringing together policymakers, researchers, businesses, and energy practitioners to explore how Europe can accelerate the shift towards climate neutrality. The programme includes conferences on energy efficiency, renewable heating, industrial energy transition, smart e‑mobility, energy communities, and the European Pellet Conference, offering a comprehensive overview of current policy developments, technological innovation, and market trends.

The event combines scientific sessions, practical workshops, and site visits, creating a platform for knowledge exchange and showcasing real‑world solutions. With participants from more than 60 countries and a major tradeshow hosted at Messe Wels, the 2027 edition continues to highlight how energy efficiency and renewable energy can strengthen competitiveness, reduce fossil fuel dependence, and support Europe’s long‑term climate objectives.